diff --git a/doc/_templates/index.html b/doc/_templates/index.html
index 9b57be2a6..cf2761545 100644
--- a/doc/_templates/index.html
+++ b/doc/_templates/index.html
@@ -33,7 +33,7 @@
       href="http://pygments.org">Pygments</a> highlighter</li>
     <li><b>Extensions:</b> automatic testing of code snippets, inclusion of
       docstrings from Python modules (API docs), and
-      <a href="{{ pathto('ext') }}">more</a></li>
+      <a href="{{ pathto('extensions') }}#builtin-sphinx-extensions">more</a></li>
   </ul>
   <p>
     Sphinx uses <a href="http://docutils.sf.net/rst.html">reStructuredText</a>